Who owns ALSN?
Institutional ownership of Allison Transmission Holdings Inc. from Form 13F, Q2 2026
569 institutional managers reported holding Allison Transmission Holdings Inc. (ALSN) in Form 13F filings for Q2 2026, with 85,502,613 shares worth $9.7B. The largest reported holder was FMR LLC. Managers that filed both quarters added a net 1,590,457 shares (+1.9%). 76 opened new positions and 57 sold out.
- Funds holding
- 569
- Value held
- $9.7B
- New / sold out
- 76 / 57
- Net shares, same filers
- +1.9%
Holdings as of June 30, 2026, the end of Q2 2026. Managers have 45 days after a quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
Largest holders of ALSN
| Fund | Value | Share of 13F holdings | Shares | Move |
|---|---|---|---|---|
| FMR LLC | $1.4B | 14.5% | 12,417,518 | Trimmed |
| Vanguard Portfolio Management LLC | $449M | 4.7% | 3,985,544 | Trimmed |
| BlackRock, Inc. | $448M | 4.6% | 3,975,802 | Added |
| Vanguard Capital Management LLC | $422M | 4.4% | 3,742,337 | Added |
| Boston Partners | $358M | 3.7% | 3,176,528 | Added |
| Fuller & Thaler Asset Management, Inc. | $296M | 3.1% | 2,622,104 | Trimmed |
| LSV Asset Management | $248M | 2.6% | 2,196,918 | Added |
| Geode Capital Management, LLC | $229M | 2.4% | 2,027,981 | Trimmed |
| Renaissance Technologies LLC | $219M | 2.3% | 1,938,997 | Trimmed |
| Dimensional Fund Advisors LP | $216M | 2.2% | 1,917,523 | Added |
| London Co of Virginia | $206M | 2.1% | 1,824,581 | Trimmed |
| First Trust Advisors LP | $204M | 2.1% | 1,806,631 | Trimmed |
| State Street Corp | $173M | 1.8% | 1,538,166 | Added |
| Wasatch Advisors LP | $170M | 1.8% | 1,510,496 | Added |
| Stockbridge Partners LLC | $169M | 1.8% | 1,499,984 | Added |
| Bank of Montreal | $154M | 1.6% | 1,364,810 | Trimmed |
| Norges Bank | $142M | 1.5% | 1,255,365 | New |
| Federated Hermes, Inc. | $139M | 1.4% | 1,236,388 | Trimmed |
| AQR Capital Management LLC | $127M | 1.3% | 1,130,415 | Trimmed |
| Charles Schwab Investment Management Inc | $98.9M | 1.0% | 877,339 | Trimmed |
| Morgan Stanley | $96.0M | 1.0% | 851,524 | Added |
| Capital International Investors | $95.4M | 1.0% | 845,961 | New |
| Captrust Financial Advisors | $93.1M | 1.0% | 825,467 | Added |
| Qube Research & Technologies Ltd | $93.0M | 1.0% | 824,567 | Added |
| Quantinno Capital Management LP | $86.5M | 0.9% | 767,275 | Trimmed |
Share of 13F holdings is each fund's shares as a share of the 85,502,613 ALSN shares all 13F filers reported, not of shares outstanding.
Biggest buyers in Q2 2026
- Norges Bank New+$142M
- Capital International Investors New+$95.4M
- Wasatch Advisors LP Added+$87.5M
- Stockbridge Partners LLC Added+$52.9M
- Jane Street Group, LLC Added+$49.0M
- UBS Group AG Added+$41.6M
- Qube Research & Technologies Ltd Added+$36.1M
- Boston Partners Added+$36.1M
- FIFTHDELTA Ltd Added+$33.6M
- Manufacturers Life Insurance Company, the Added+$33.3M
Biggest sellers in Q2 2026
- Fuller & Thaler Asset Management, Inc. Trimmed-$87.1M
- Caisse de depot et placement du Quebec Sold out-$63.9M
- Bank of America Corp Trimmed-$40.9M
- Renaissance Technologies LLC Trimmed-$36.2M
- Marshall Wace, LLP Trimmed-$32.8M
- Balyasny Asset Management L.P. Trimmed-$28.4M
- Arrowstreet Capital, Limited Partnership Trimmed-$27.9M
- Freestone Grove Partners LP Trimmed-$27.0M
- Invesco Ltd. Trimmed-$25.3M
- First Trust Advisors LP Trimmed-$24.8M
The change in shares since the quarter before, adjusted for stock splits and priced at the Q2 2026 value per share. Funds bought $1.0B and sold $870M; 171 added and 228 trimmed.
Schedule 13D and 13G filings on ALSN
Owners of more than 5% must file within days, so these can be newer than the 13F data.
- 2026-10-27BlackRock, Inc. SCHEDULE 13G filed by BlackRock Inc.Schedule 13G
Questions about ALSN ownership
- Who owns ALSN stock?
- 569 institutional investment managers reported ALSN positions in their Form 13F filings for Q2 2026, holding 85,502,613 shares worth $9.7B in total. FMR LLC reported the largest position.
- Are funds buying or selling ALSN?
- In Q2 2026, 76 managers opened new ALSN positions, 171 added, 228 trimmed and 57 sold out. Managers that filed in both quarters added a net 1,590,457 shares.
- How current is this ALSN institutional ownership data?
- It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
From the SEC's Form 13F data sets for Q2 2026: every 13F holdings report, matched to ALSN by CUSIP. Options are left out. ALSN news and filings · ALSN insider trades · Top funds